import java.math.BigDecimal;
import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: Admin
 * Date: 2022-11-09
 * Time: 20:41
 */
public class Demo2 {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);

        while(scan.hasNext()) {
            BigDecimal n = scan.nextBigDecimal();
            BigDecimal r = scan.nextBigDecimal();
            BigDecimal big = new BigDecimal("6.28").multiply(r);

            if(big.compareTo(n) > 1) {
                System.out.println("Yes");
            }else {
                System.out.println("No");
            }
        }
    }
}
